Home / 434,643,988.60-599,754,263.31-293,821,610.47

Finding the Fourth Proportional to 434,643,988.60, 599,754,263.31 and 293,821,610.47

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Solution

The fourth proportional to 434,643,988.60, 599,754,263.31 and 293,821,610.47 is: 405,437,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,643,988.60 : 599,754,263.31 = 293,821,610.47 : x
  2. Step 2: Convert to fraction form
    434,643,988.60/599,754,263.31 = 293,821,610.47/x
  3. Step 3: Cross multiply
    434,643,988.60x = 599,754,263.31 × 293,821,610.47
  4. Step 4: Simplify right side
    434,643,988.60x = 176,220,763,531,992,640
  5. Step 5: Solve for x
    x = 176,220,763,531,992,640/434,643,988.60
  6. Step 6: Final answer
    x = 405,437,020.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.